Sgrav

This takes a shapefile and generates extra data showing gravity info on it, specifically the surface acceleration, potential and laplacian. This is for a non-rotating body with GM=1.

Input - files

• Shapefile - Full path and extension is needed.

Input - stdin

• What it asks for

  input shapefile
  SHAPEFILES/SHAPE.TXT

Output

• SHAPE.TXT but with extra columns for surface acceleration

• ?????

Parallel Conflict

• Minimal conflict
• Multiple runs in separate directory
• Shape file (SHAPE.TXT) must remain static.